24 y.o. taking finasteride now

24 y.o., just took the plunge with half a tablet of 1mg fin

You should get metrics so you know the impact of your treatment. get a HAIRCHECK test ( https://baldingblog.com/haircheck-test-how-it-is-done-video/ ) and then repeat it yearly to see if you are getting better or worse. You don’t want to gamble with your future hair coverage. Why not use the recommended 1mg dose which is the most effective dose of finasteride?